Manuals / Multi-Tech Systems / Computer Equipment / Modem

Multi-Tech Systems MT5600SMI-PL92 Command Select µ-Law or A-Law Codec Type, Command Ccitt or Bell

Models: MT5600SMI-L32 MT5600SMI-92 MT5600SMI-P34 MT5600SMI-XL34 MT5600SMI-L92 MT5600SMI-34 MT5600SMI-XL92 MT5600SMI-PL34 MT5600SMI-L34 MT5600SMI-32 MT5600SMI-P92 MT5600SMI-P32 MT5600SMI-PL92

1 134

Download 134 pages 50.08 Kb

Page 54

			Chapter 5 – AT Commands, S-Registers, and Result Codes
Command:	%U	Select µ-Law or A-Law Codec Type
Description:		Selects µ-Law or A-Law codec type for V.90 and 56K modulation.
		This command also stores the selected setting directly to NVRAM.
Default:		Default value is country specific
Defined Values:		0	Selects µ-Law.
		1	Selects A-Law.
Result Codes:		OK
		Otherwise ERROR
Command:	B	CCITT or Bell
Description:		When the modem is configured to allow either option, the modem will
		select Bell or CCITT modulation for a line speed connection of 300 or 1200
		bps. Any other line speed will use a CCITT modulation standard. The
		parameter value, if valid, is written to S27 bit 6.
Default:		0
Defined Values:		B0 Selects CCITT operation at 300 or 1200 bps during Call
			Establishment and a subsequent connection. (Default.)
		B1 Selects BELL operation at 300 or 1200 bps during Call
			Establishment and a subsequent connection.
Result Codes:		OK
		Otherwise ERROR

Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide

54

Image 54

Multi-Tech Systems MT5600SMI-PL92, MT5600SMI-XL34 manual Command Select µ-Law or A-Law Codec Type, Command Ccitt or Bell

Contents

Embedded Modem MT5600SMI Family Developer’s Guide SocketModem Developers Guide Contents 114 Introduction Product DescriptionProduct Description Region Features Developers Kit Technical Specifications Sources of Additional Information Physical Dimensions Maximum Component Height Pin Signal Description Name Type Serial Pin ConfigurationsAvailable with or without LED Pins Pin Descriptions for Serial SocketModem Devices 3V DC Power RXD Parallel Pin Configurations Agnd GND Speaker, Call Monitor Handling Precautions Electrical Characteristics Operating Conditions Absolute Maximum Ratings Current and Power Requirements Symbol Parameter Min Max Units Parallel Host Bus TimingParallel Host Bus Timing Table Parallel Host Bus Read Parallel Host Bus Write SocketModem Parallel Interface Overview Parallel Interface Registers Register BIT No Name Register Signal Definitions IER Interrupt Enable Register Addr = 1, Dlab = FCR Fifo Control Register Addr = 2, Write Only FCR7 FCR6 IIR Interrupt Identifier Register Addr = Bit Interrupt Pending Bit 7 Divisor Latch Access Bit Dlab LCR Line Control Register Addr = MCR Modem Control Register Addr = Bit Data Terminal Ready DTR Bit 7 RX Fifo Error LSR Line Status Register Addr = THR TX Buffer Transmitter Holding Register Addr = 0, Dlab = MSR Modem Status Register Addr =RBX RX Buffer Receiver Buffer Register Addr = 0, Dlab = Divisor Registers Addr = 0 and 1, Dlab = SCR Scratch Register Addr = Programmable Baud Rates Transmitter Fifo Interrupt Operation Receiver Character Timeout InterruptsReceiver Fifo Interrupt Operation Receiver Data Available Interrupt AT Commands, S Registers, and Result Codes Data Commands Generic Modem Control Commands Command Command Operating Mode Error CorrectionCommand Identification Request Manufacturer Identification Request Model Identification Country of InstallationCommand Restore Factory Configuration Profile Request Revision Identification Command Store Current Configuration Command Local Analog Loopback TestCommand Designate a Default Reset Profile Command &Zn=x Store Telephone Number Command Plug and Play Vendor ID and Product Number Command Load Flash MemoryProcedure Upload Messages Message Description Command Q Quiet Result Code Control DTE-Modem Interface CommandsCommand E Command Echo Command Result Code Form Command Extended Result Codes Command Rlsd DCD Option Command DTR OptionCommand Flow Control Command +IPR Fixed DTE Rate Command &R RTS/CTS OptionCommand &S DSR Override +IPR? Command +IFC DTE-Modem Local Flow Control Command +ILRR DTE-Modem Local Rate Reporting Call Control Commands Command D DialDial Modifiers Command T Set Tone Dial Default Command P Set Pulse Dial Default Command Answer Command Disconnect Hang-UpCommand Return to Online Data Mode Command Select Guard Tone Command Speaker VolumeCommand Speaker Control Command Select Pulse Dial Make/Break Ratio Stored Profile AT&VActive Profile Telephone Numbers Command &V1 Display Last Connection Statistics Termination Reason Local RequestProtocol Lapm Compression Command Single Line Connect Message Enable Command Report Line Signal LevelCommand Report Line Signal Quality Command -STE= Set Telephony Extension Behavior in Data Mode +FCLASS=0Behavior in Voice Mode +FCLASS=8 LINE-IN-USE ExamplesAT-STE=7 Connect AT+FCLASS=8 AT-STE=3No Dial Tone AT+VTX Dlep Command +MS Modulation Selection +MS Command Supported RatesPage +MR Modulation Reporting Control Command Select µ-Law or A-Law Codec Type Command Ccitt or Bell Origrqst Error Control CommandsCommand +ES Error Control and Synchronous Mode Selection Origfbk Command +EB Break Handling in Error Control Operation Command +ESR Selective RepeatCommand +EFCS Bit Frame Check Sequence Error Control Reporting Command +ER type Report the Current Error ControlCall Termination Buffer Management Command Transmit Break to Remote Command Break Control Command -K MNP Extended Services Data Compression Commands Command +DS Data CompressionCommand +DS44 Compression Select Command +DR Data Compression Reporting Command %C Enable/Disable Data Compression V.8bis Commands Command +A8E V.8bis Operation Controls Command +A8I CI Signal Indication YYY Command Syntax Diagnostic CommandsCommand #UD Last Call Status Report Data Call State Model AT#UD Last Call Status Report Format Key Values Definition Monitoring an Active ConnectionCallCleared codes from 3.6.4/V.58-1994 Digits DTE-DCE modes Code Definition Call Setup Result Codes Code DefinitionMultimedia Modes Code Definition V.34 Info bit report Bits Source bits Definition 10. errorControl Active from 3.5.2/V.58 Value Description 11. compressionActive from 3.2.2/V.58 Value Description Example Modem Response and Usage Command Enable Cellular Power Level Adjustment Compatibility CommandsCommand Leased Line Operation Command Initial Cellular Power Level Setting Command $F FastConnect Control FastConnect Commands92 +P and -Q Commands Command +PCW Call Waiting Enable Modem-on-Hold Timer Initiate Modem-on-Hold Phase 1 and Phase 2 Control PCM Upstream IgnoreModem-on-Hold Hook Flash Force Full Startup Procedure on Next Connection Enable Quick Connect Profile SaveUse Short Sequence Registers Wait Time for Carrier, Silence, or Dial Tone General Bit-Mapped Options Status Indicates the status Test Mode Bit-Mapped Options Status Indicates the testCarrier Detect Response Time Supported for backward Reserved Register Unit Range Default Description S21 Register Unit Range Default Description S27 Register Unit Range Default Description S36 Flow Control Bit-Mapped Options Status Register Unit Range Default Description S41 General Bit-Mapped Options Status. Indicates the status Register Unit Range Default Description S86 Pstn Transmit Attenuation Level. In non-PCM modes V.90 or Register Unit Range Default Description S210 Result Codes Short Form Long Form +ER L APM 196 +MRR 197 198 199 200 201 202 203 204 205 206 207 208 209 Modem-to-DTE Receive Data Stream Fax I/O ProcessingDTE-to-Modem Transmit Data Stream Characters Detected Action Taken Fax Answering Fax Mode SelectionFax Origination Fax Control Transmission Fax Control Reception Fax Data Transmission Fax Data Reception Commands and Parameters Mode Entry CommandsMode Commands Mod Modulation Training Modulation Mode and Rate Transmit FacsimileFax Class 1 and Fax Class 1.0 Modulation Modes and Rates Command +FRM Receive Facsimile Command FTH Transmit Data with Hdlc Framing Command +FRH Receive Data with Hdlc Framing Service Class 1 Commands Command +FAR Adaptive Reception ControlCommand +FCL Carrier Loss Timeout Double Escape Character Replacement DTE Inactivity Timeout Command +FMM? Request Model Identification Command +FPR Fixed DTE RateCommand +FMI? Request Manufacturer Identification Command +FMR? Request Revision Identification Command +FLO Flow Control Examples Fax Class 1 Calling Sequence Transmitting a Single Fax Class 1 Answering Sequence Receiving a Single Voice Commands Overview Voice Commands Function ConfigurationVoice DLE Shielded Event Codes Sent to the DTE DLE Shielded Codes Sent to the Modem DCE Can102 Command +VNH Automatic Hang-up Control Voice Configuration CommandsCommand +FCLASS=8 Select Voice Mode +VNH Command Behavior Command Response Command +VRX Start Modem Receive Record Basic Voice CommandsCommand +VIP Voice Initialize All Parameters Command +VTS Send Voice Tones Example Command +VTX Start Modem Transmit PlaybackCommand +VGR Voice Gain Receive Record Gain 105 Command +VGT Voice Gain Transmit Playback Volume Command +VIT Voice Inactivity Timer DTE/Modem106 Label Primitives Description Command +VLS Analog Source/Destination Selection+VLS Command Options +VSP=1 S1T 108 Events Detectable in the Voice Mode per Event Number Event Description Event Reporting109 Command +VSD Silence Detection Quiet and Silence Command +VRA Ringback Goes Away TimerCommand +VRN Ringback Never Appeared Timer 110 Command +VSM Compression Method Selection 111 Command +VTD Beep Tone Duration Timer Command +VDR Distinctive Ring112 Command +VDT Control Tone Cadence Reporting 113 Country Country Code 114 Test/Demo Board Components 115 5V / 3.3V Jumper JP6 Serial Test/Demo Board Block DiagramSerial Test/Demo Board Block Diagram 116 Parallel Test/Demo Board Block Diagram Parallel Test/Demo Board Block Diagram117 Telecom Certifications Approvals Product Safety and EMCSafety Certifications EMC Approvals Regulatory Design Considerations Hardware Considerations119 EMC 120 Other Design Considerations PC Board Layout Guidelines121 Safety Electromagnetic Interference EMI Considerations122 5V Tolerant Inputs for 3.3V Modules 123 Regulatory Compliance Regulatory Requirements for the United States124 MT5600SMI 125 Current Label Content and Format as of August 126 Regulatory Requirements for Canada 127 IC XXXXXX-ZZZZZZZZ Where 128 New Zealand Telecom Warning Notice South African Statement129 EMC, Safety, and R&TTE Directive Compliance International Modem Restrictions130 Index 131 Enable quick connect profile save command -QCPS 132 Serial Test/Demo Board Components 133 134